METHOD FOR VERIFYING SERVICE CHAIN, SENDING NODE, FORWARDING NODE AND SERVICE FUNCTION NODE

摘要

Embodiments of the present invention provide a method for verifying a service chain, applied to a sending node. The method comprises: sending service chain verification request information, wherein the service chain verification request information is a segment routing packet, and a segment list of the service chain verification request information at least comprises a segment identifier of a service function node to be verified; the service chain verification request information comprises a verification request, and the verification request is used for requiring a service node of the service chain to verify said service function node so as to verify the service chain, and sending the verification result to an inspection node; and the service node comprises a service function node and a service function forwarding node. Also provided are a sending node, a forwarding node, and a service function node.